candidates are battling hard for this battleground state. >> romney for president? >> reporter: carpet bombing the air waves with the politicalads. >> my plan will create 12 million new jobs over the next four years. >> it is not just generating more jobs, you know, i'm going to create 1 more million jobs, tell me how, where. >> today it would be obama. tomorrow it could be romney. i can'ts promise anything. >> reporter: they both hope that the debates will help them finally make up their minds. bill whittaker, cbs news, las vegas. >>> 50,000 techis are invading san francisco today. they started today at the center. it is one of the world's biggest check conferences, attending the latest technology view that he will have to offer. >> the reason on what their plans are, the products they use. if you don't know what the plans are, then you cannot adopt them in a family fashion. you cannot stay on the old stuff. >> reporter: they made softwares for their processes from everything like the credit cards and the atm transactions to the hotel reservations. oracle world runs through thursday.